public class demo12 {
    public static void main(String[] args) throws InterruptedException {
        Thread t1 = new Thread(()->{
            for (int i = 0; i < 8; i++) {
                System.out.println("hello thread");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }

            }

        });
        t1.start();
        t1.join();
        for (int i = 0; i < 5; i++) {
            System.out.println("hello main");
            Thread.sleep(1000);

        }

        System.out.println("hello end");
    }
}
